BGS mineralogy and petrology collection record

Sample number E54341; COLLNOBS83;
Sample Donor Webb,B.C.
Rock name Not entered
Stratigraphy Not entered
Comments Slate from central portion of sheared band.
Locality details Prominent thin sandstone band in centre of SW. face Gloddfa Glytisu Cilgwyn Quarries.
50k map sheet Nefyn (118)

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Map reference SH 5015 5410
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


E54341

Cross Polarized, E54341

Plane Polarized, E54341

Plane Polarized, E54341